78080832 has 84 divisors (see below), whose sum is σ = 225064320. Its totient is φ = 25880832.

The previous prime is 78080831. The next prime is 78080833. The reversal of 78080832 is 23808087.

It is an interprime number because it is at equal distance from previous prime (78080831) and next prime (78080833).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78080831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162769 + ... + 163247.

Almost surely, 2^78080832 is an apocalyptic number.

78080832 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78080832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112532160).

78080832 is an abundant number, since it is smaller than the sum of its proper divisors (146983488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78080832 is a wasteful number, since it uses less digits than its factorization.

78080832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 78080832 is about 8836.3358922123. The cubic root of 78080832 is about 427.4134101838.

The spelling of 78080832 in words is "seventy-eight million, eighty thousand, eight hundred thirty-two".